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81 lines
2.6 KiB
LLVM
81 lines
2.6 KiB
LLVM
; RUN: opt %loadPolly %defaultOpts -polly-cloog -polly-codegen -enable-polly-openmp -analyze < %s | FileCheck %s
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;#define N 1024
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;
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;float C[N], X[N];
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;
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;float parallel_loop_simple2() {
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; int j;
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;
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; for (j = 0; j < N; j++)
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; C[j] = j;
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;
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; for (j = 0; j < N; j++)
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; X[j] += X[j];
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;
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; return C[42] + X[42];
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;}
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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@C = common global [1024 x float] zeroinitializer, align 16
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@X = common global [1024 x float] zeroinitializer, align 16
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define float @parallel_loop_simple2() nounwind {
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bb:
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br label %bb5
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bb5: ; preds = %bb7, %bb
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%indvar1 = phi i64 [ %indvar.next2, %bb7 ], [ 0, %bb ]
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%scevgep4 = getelementptr [1024 x float]* @C, i64 0, i64 %indvar1
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%j.0 = trunc i64 %indvar1 to i32
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%exitcond3 = icmp ne i64 %indvar1, 1024
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br i1 %exitcond3, label %bb6, label %bb8
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bb6: ; preds = %bb5
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%tmp = sitofp i32 %j.0 to float
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store float %tmp, float* %scevgep4, align 4
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br label %bb7
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bb7: ; preds = %bb6
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%indvar.next2 = add i64 %indvar1, 1
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br label %bb5
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bb8: ; preds = %bb5
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br label %bb9
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bb9: ; preds = %bb14, %bb8
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%indvar = phi i64 [ %indvar.next, %bb14 ], [ 0, %bb8 ]
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%scevgep = getelementptr [1024 x float]* @X, i64 0, i64 %indvar
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%exitcond = icmp ne i64 %indvar, 1024
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br i1 %exitcond, label %bb10, label %bb15
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bb10: ; preds = %bb9
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%tmp11 = load float* %scevgep, align 4
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%tmp12 = load float* %scevgep, align 4
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%tmp13 = fadd float %tmp12, %tmp11
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store float %tmp13, float* %scevgep, align 4
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br label %bb14
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bb14: ; preds = %bb10
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%indvar.next = add i64 %indvar, 1
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br label %bb9
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bb15: ; preds = %bb9
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%tmp16 = load float* getelementptr inbounds ([1024 x float]* @C, i64 0, i64 42), align 8
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%tmp17 = load float* getelementptr inbounds ([1024 x float]* @X, i64 0, i64 42), align 8
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%tmp18 = fadd float %tmp16, %tmp17
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ret float %tmp18
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}
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; CHECK: for (c2=0;c2<=1023;c2++) {
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; CHECK: Stmt_bb6(c2);
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; CHECK: }
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; CHECK: for (c2=0;c2<=1023;c2++) {
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; CHECK: Stmt_bb10(c2);
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; CHECK: }
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; CHECK: Parallel loop with iterator 'c2' generated
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; CHECK: Parallel loop with iterator 'c2' generated
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; CHECK-NOT: Parallel loop
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